1) Which of the following quantities have units of kgs? (B) Power A) Energy (C) Intensity (D) Impulse

Q: 35) When a particle of charge q is made to move with a constant speed v in a plane perpendicular to…

A: Scenario: A charged particle q is projected to traverse with constant speed v in a magnetic field B…

Q: 18) Two metal spheres of the same size are suspended in a evacuated enclosure that is maintained at…

A: Radiation takes place at every temperature above absolute zero .More the temperature difference…

Q: 27) A radioactive nucleus emits a beta minus particle, an alpha particle and then another beta minus…

A:

Q: 3) Which of these statements is NOT TRUE about photons or photoelectric effect? A) Photon energy is…

A: Option A:- Photo energy is given as E=hf where h is planck’s constant and f is frequency  so energy…

Q: hut down, is moving in the s ircular orbit above the Earth an he same speed as a satellite that…

A: Apply energy conservation concept.

Q: 51. The radioactive isotope of potassium-24, with half-life of 12 hours, is being used in the…

A: The radioactive decay follows first-order, and using the properties of a first-order process, we…

Q: 30. A parallel beam of monochromatic light of wavelength 490 nm is incident on a diffraction grating…

A:

Q: 3. Which of the following statements about the internal energy of a gas is correct? A) The internal…

A: Apply ideal gas properties.

Q: 7) A satellite of mass m orbits a planet of mass M with orbital radius R at a speed U and angular…

A: Option D is not correct equation of orbital velocity of satellite of mass m with orbital radius R

Q: 88) Which of the following may improve long distance optical fibre communication system? 1.…

A: we know that in fiber optical system a modulator change the light signal into electrical signal and…

Q: 30) The circuit fig. 32 contains a battery of emf E, switch, and resistor of resistance R and an…

A: Here given the circuit diagram with a inductor , resistor and a switch. We have to define the…

Q: Derive an expression for the kinetic energy of a particle of mass n which has momentum p. A…

A: The kinetic energy of a particle of mass m and velocity v is:KE=12mv2………(1) For any reaction, its…

Q: 20) A vehicle is climbing a hill at constant velocity. Which of the following statements about the…

A: The given condition is that the vehicle is climbing the hill at a constant velocity. A constant…

Q: whirls the stone so that it moves in a horizontal circle at constant speed. (a) Draw a diagram…

A:

Q: (b) When measuring Young's modulus of a material it is common to use a specimen which is (1) very…

A:

Q: Figure 21 Initjally when tap T is opened.

A: In the given fig. 21, the two air filled soap bubble are formed on the end of the tube with the tap…

Q: AB4 Derive an expression for the magnitude of the acceleration of a particle moving with speed e in…

A: An expression for the magnitude of the acceleration of the particle moving with speed v in a circle…

Q: 10) A small plastic ball of mass 0.2kg is projected horizontally towards an undulating wall with a…

A:

Q: 4) An object O is placed 15cm from a converging lens of focal length 10cm and a diverging lens of…

A: Given Data: Object distance from converging lens, u=-15 cm Converging lens focal length, fc=+10 cm…

Q: 21) Which of the following is NOT a basic unit in the S.I. system of units? (B) ampere A) newton (C)…

A:

Q: The diagram shows a body of mass 2 kg resting in a frictionless horizontal gully in which it isu…

A: Given, Body A mass of the body mA=2kg force acted upon a body for time t=5s Horizontal force acting…

Q: A92 The turntable of a record player rotates at a steady angular speed of 3.5 rad s-.Arecord is…

A:

Q: 9 3' Pb decays by a series of transformations to a fix stable product. A total of 2 alpha particles…

A:

Q: A85 (a) In problems involving linear motion the following equations are often used: (i) Force = mass…

A: As per our guidelines, we are supposed to answer only first one question in case of multiple…

Q: Masses 0.20 kg and 0.25 kg are sus- pended as in the figure en p. 128 from a light cord which passei…

A:

Q: A42 (a) State the coaditions for the equilibriura of a body which is acted upon by a nunber of…

A: SOlution: given that  weight = W

Q: 5) A pure inductor has an inductance 0.5H. The rate of change of current through it, to induce a…

A:

Q: 8.Which of the following quantities has units? A) absolute refractive index B) angular magnification…

A: Which of the following quantities has units? A) absolute refractive index B) angular magnification…

Q: A swivel chair consists of a seat mounted on a screw-threaded column in such a way that when the…

A: According to the data provided

Q: The most useful communication satel- lites are those in geostationary orbits. A satellite in…

A:

Q: Exploier 38, a radio-astronomy research satellite of mass 200 kg, circles the Earth in an orbit of…

A: The solution is given below

Q: Vernier calipers, reading to 0.1 mm, are used to find the internal diameter (10.0 ± 0.1 mm) and the…

A:

Q: 24) A metal surface is irradiated with radiation of frequency 3.0 x 101“Hz. If the stopping…

A: We will use Einstein's photoelectric equation and value of Planck's constant as  h= 4.135×10-15 eV…

Q: 45. When a monochromatic beam of light traveling in are enters a glass block along a path normal to…

A:

Q: 35. Which of the following phenomenon can be used to explain the formation of rainbow? Advanced…

A: Solution: What is the phenomenon  of the rain bow.

Q: A spacecraft of mass 4.0 x 10* kg has its motors switched off. It slows down as it moves away from…

A:

Q: 30. Hot water tank of heat capacity 5000 JK' contains 10 kg of water at 25 °C. What is the time…

A: Given data: Heat capacity of tank = 5000 J/K Mass of water = 25 C Initial temperature of the water…